JUNG JAEHYUN
Jeong Yun-o (Korean: 정윤오; born Jeong Jae-hyun (Korean: 정재현); February 14, 1997), better known by his stage name Jaehyun, is a South Korean singer and actor. He is a member of the South Korean boy group of 𝐍𝐂𝐓 and its sub-units NCT U and NCT 127, debuting in April 2016 as a member of the rotational unit NCT U and as a member of Seoul-based fixed unit NCT 127 in July 2016.